Mainactivity as opening screen (#230)

Author: somenath1435

app/src/main/AndroidManifest.xml

@@ -11,7 +11,7 @@
 
     <application
         android:allowBackup="true"
-        android:icon="@mipmap/ic_launcher_saar_square"
+        android:icon="@mipmap/ic_launcher_saar"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_saar"
         android:supportsRtl="true"
@@ -20,20 +20,20 @@
             android:name=".MainActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"
             android:label="@string/app_name"
-            android:theme="@style/AppTheme.NoActionBar" />
-        <activity
-            android:name=".Gallery.FullScreenImageActivity"
-            android:label="@string/photo" />
-        <activity
-            android:name=".Login_SignUp.LoginSignupActivity"
-            android:configChanges="keyboardHidden|orientation|screenSize"
-            android:windowSoftInputMode="adjustPan">
+            android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".Gallery.FullScreenImageActivity"
+            android:label="@string/photo" />
+        <activity
+            android:name=".Login_SignUp.LoginSignupActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:windowSoftInputMode="adjustPan" />
         <activity
             android:name=".Profile.ProfileActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"